Issued Patents All Time
Showing 1–25 of 87 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6793896 | Honeycomb | — | 2004-09-21 |
| 6720060 | Honeycomb | — | 2004-04-13 |
| 6589910 | Catalytic converter substrate | — | 2003-07-08 |
| 6562305 | Electrically heatable catalytic converter | Manfred Vierkötter | 2003-05-13 |
| 6537681 | Honeycomb and process for its manufacture | — | 2003-03-25 |
| 6192582 | Assembled multi-layer shafts | — | 2001-02-27 |
| 6119328 | Method for producing an electrically insulating supporting structure | Manfred Vierkötter | 2000-09-19 |
| 5979386 | Assembled multi-layer shafts | — | 1999-11-09 |
| 5948504 | Electrically insulating supporting structure capable of metallic bonding, process for producing the same, electrically heatable catalytic converter and electrically conductive honeycomb body using the same | Manfred Vierkötter | 1999-09-07 |
| 5868042 | Multiple cams | — | 1999-02-09 |
| 5785931 | Metal honeycomb body of intertwined sheet-metal layers, and method for its production | Wolfgang Maus, Rolf Brück, Bohumil Hum-Polik | 1998-07-28 |
| 5751602 | Method of monitoring the operation of a catalytic converter | Wolfgang Maus, Rolf Brück | 1998-05-12 |
| 5694770 | Method and assembly for operating an electrical heater of a catalytic converter system | Rolf Brück | 1997-12-09 |
| 5664327 | Method for producing a hollow composite members | — | 1997-09-09 |
| 5643484 | Electrically heatable honeycomb body with resistance increased by slits | Rolf Brück | 1997-07-01 |
| 5618462 | Electrically insulating, gas-tight leadthrough for at least one electrical conductor through a metallic sheath | — | 1997-04-08 |
| 5610844 | Method of monitoring the operation of a catalytic converter | Wolfgang Maus, Rolf Brück | 1997-03-11 |
| 5608968 | Method of making a metal honeycomb body of intertwined sheet-metal layers | Wolfgang Maus, Rolf Br uck, Bohumil Humpolik | 1997-03-11 |
| 5588291 | Method for controlling the heating of an electrically heatable catalytic converter | Wolfgang Maus, Rolf Brück | 1996-12-31 |
| 5585073 | Electrically heated catalytic converter | Rolf Brück | 1996-12-17 |
| 5560200 | Method and apparatus for functional monitoring of a catalytic converter | Wolfgang Maus, Rolf Brück | 1996-10-01 |
| 5525309 | Honeycomb body with a plurality of disks braced against one another | Hans-Jurgen Breuer, Rolf Brück | 1996-06-11 |
| 5480621 | Electrically conductive honeycomb as an exhaust gas catalyst carrier body | Hans-Jurgen Breuer, Theodor Cyron, Wolfgang Maus, Ludwig Wieres | 1996-01-02 |
| 5464679 | Metal honeycomb body of intertwined sheet-metal layers, and method for its production | Wolfgang Maus, Rolf Brück, Bohumil Humpolik | 1995-11-07 |
| 5447385 | Design element for connection to a hollow shaft | — | 1995-09-05 |